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1994 Pontiac Grand Am on board diagnosis

Tiny
TRCRUMBY
  • MEMBER
  • 1994 PONTIAC GRAND AM
  • 165,000 MILES
I have a obd1&2 reader but when I plug into my computer plug it shows not reading.
My engine died like someone shut off fuel.
can get it cranked but rough and smokes.
white smoke. No water shows in oil.
water resovoir is not low.
am at a loss for what to do next.
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Wednesday, October 30th, 2013 AT 11:17 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You can't read codes on that car with either of those tools. You need a professional scan tool because that is a hybrid of both systems.

You are getting coolant into the combustion chamber somehow, most likely a blown head gasket.
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Wednesday, October 30th, 2013 AT 12:52 PM

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